Grandma bakes chocolate chip cookies in batches of 100. She puts 600 chips into each batch, so

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Grandma bakes chocolate chip cookies in batches of 100.

She puts 600 chips into each batch, so that the number of chips in a randomly chosen cookie has a Poisson distribution with λ = 6 chips per cookie.

a. Grandma gives you one cookie. What is the probability that it contains exactly eight chips?

b. Because you were extra good, Grandma will give you two cookies. What is the probability that the two cookies will contain a total of exactly 15 chips?

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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